252755455 has 4 divisors (see below), whose sum is σ = 303306552. Its totient is φ = 202204360.

The previous prime is 252755411. The next prime is 252755483. The reversal of 252755455 is 554557252.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-252755455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25275541 + ... + 25275550.

It is an arithmetic number, because the mean of its divisors is an integer number (75826638).

Almost surely, 2^252755455 is an apocalyptic number.

252755455 is a deficient number, since it is larger than the sum of its proper divisors (50551097).

252755455 is an equidigital number, since it uses as much as digits as its factorization.

252755455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50551096.

The product of its digits is 350000, while the sum is 40.

The square root of 252755455 is about 15898.2846558992. The cubic root of 252755455 is about 632.2665107021.

The spelling of 252755455 in words is "two hundred fifty-two million, seven hundred fifty-five thousand, four hundred fifty-five".